Jumper cable device



FIG. 1 is a perspective view of a jumper cable device showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of a clip body of the jumper cable device, shown in isolation for ease of illustration.

The broken lines in the drawings depict portions of the jumper cable device that form no part of the claimed design. 

CLAIM The ornamental design for a jumper cable device, as shown and described. 